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Mostrando ítems 1-10 de 426
Ponencia
Artifact-Aware Analogue/Mixed-Signal Front-Ends for Neural Recording Applications
(Institute of Electrical and Electronics Engineers, 2019)
This paper presents a brief review of techniques to overcome the problems associated with artifacts in analog frontends for neural recording applications. These techniques are employed for handling Common-Mode (CM) ...
Ponencia
On the development of a MODEM for data transmission and control of electrical household appliances using the low-voltage power-line
(Institute of Electrical and Electronics Engineers, 2003)
This paper presents a CMOS 0,6μm mixed-signal MODEM ASIC for data transmission on the low-voltage power line. The circuit includes all the analog circuitry needed for input interfacing and modulation/demodulation (PLL-based ...
Artículo
Single-Exposure HDR Technique Based on Tunable Balance Between Local and Global Adaptation
(Institute of Electrical and Electronics Engineers, 2016)
This brief describes a high-dynamic-range technique that compresses wide ranges of illuminations into the available signal range with a single exposure. An online analysis of the image histogram provides the sensor with ...
Artículo
Low-Power CMOS Vision Sensor for Gaussian Pyramid Extraction
(Institute of Electrical and Electronics Engineers, 2017)
This paper introduces a CMOS vision sensor chip in a standard 0.18 μm CMOS technology for Gaussian pyramid extraction. The Gaussian pyramid provides computer vision algorithms with scale invariance, which permits having ...
Ponencia
Hardware-Aware Performance Evaluation for the Co-Design of Image Sensors and Vision Algorithms
(Institute of Electrical and Electronics Engineers, 2016)
The top-down approach to system design allows obtaining separate specifications for each subsystem. In the case of vision systems, this means propagating system-level specifications down to particular specifications for ...
Ponencia
Demo: Results of 'iCaveats', a Project on the Integration of Architectures and Components for Embedded Vision
(ACM Digital Library, 2018)
iCaveats is a Project on the integration of components and architectures for embedded vision in transport and security applications. A compact and efficient implementation of autonomous vision systems is difficult to be ...
Ponencia
Review of ADCs for imaging
(Society of Photo-Optical Instrumentation Engineers, 2014)
The aim of this article is to guide image sensors designers to optimize the analog-to-digital conversion of pixel outputs. The most common ADCs topologies for image sensors are presented and discussed. The ADCs specific ...
Ponencia
Analysis and Modeling of the Non-Linear Sampling Process in Switched-Current Circuits - Application to Bandpass Sigma-Delta Modulators
(2001)
This paper presents a precise model for the transient behaviour of Fully Differential (FD) SwItched-current (SI) memory cells placed at the front-end of high-speed A/D interfaces. This model allows us to analyze the main ...
Ponencia
A multiplexed mixed-signal fuzzy architecture
(Institute of Electrical and Electronics Engineers, 1998)
Analog circuits provide better area/power efficiency than their digital counterparts for low-medium precision requirements. This limit in precision as well as the lack of design tools when compared to the digital approach, ...
Tesis Doctoral
Behavioral Modeling of CMOS SPADs Based on TCAD Simulations
(2022-01-24)
SPAD stands for Single Photon Avalanche Detectors. SPADs are photodiodes structurally similar to those used in conventional image sensors. However, while the conventional ones are biased in the low voltage zone within the ...